2063855509 has 2 divisors, whose sum is σ = 2063855510. Its totient is φ = 2063855508.

The previous prime is 2063855461. The next prime is 2063855533. The reversal of 2063855509 is 9055583602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1427706225 + 636149284 = 37785^2 + 25222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063855509 - 2⁹ = 2063854997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2063855809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031927754 + 1031927755.

It is an arithmetic number, because the mean of its divisors is an integer number (1031927755).

Almost surely, 2^2063855509 is an apocalyptic number.

It is an amenable number.

2063855509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063855509 is an equidigital number, since it uses as much as digits as its factorization.

2063855509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 2063855509 is about 45429.6765231715. The cubic root of 2063855509 is about 1273.1896406766.

The spelling of 2063855509 in words is "two billion, sixty-three million, eight hundred fifty-five thousand, five hundred nine".